document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=587317>Question 587317</A>: <I><SPAN STYLE=\"word-break: break-all;\">  a hollow metal sphere has an internal radius of 20 cm and an external radius of 30 cm given that the density of the metal is 7.8gm/cm^3find the mass of the sphere expressing your answer in kg </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #374062 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=374062\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a hollow metal sphere has an internal radius of 20 cm and an external radius of 30 cm given that the density of the metal is 7.8gm/cm^3find the mass of the sphere expressing your answer in kg<BR>\n" );
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document.write( "Volume of outside sphere: (4/3)pi*15^3 cu cm<BR>\n" );
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document.write( "Volume of inside sphere: (4/3)pi*10^3 cu cm<BR>\n" );
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document.write( "Mass = 7.8gm/cm^3[15^3-10^3] = 7.8 gm *(2375) = 17,525 gm<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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